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^,,,,,,,,,                                          ,,,,,,,,,^
~^,,,,,,,,                                          ,,,,,,,,^~
:~^,,,,,,,                                          ,,,,,,,^~:
^:~^,,,,,,                                          ,,,,,,^~:^
%^:~^,,,,,                  R41LS                   ,,,,,^~:^%
¤%^:~^,,,,                                          ,,,,^~:^%¤
#¤%^:~^,,,                                          ,,,^~:^%¤#
@#¤%^:~^,, ¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤ ,,^~:^%¤#@
#@#¤%^:~^,                                          ,^~:^%¤#@#
@#¤%^:~^,, ¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤ ,,^~:^%¤#@
#¤%^:~^,,,                                          ,,,^~:^%¤#
¤%^:~^,,,,                                          ,,,,^~:^%¤
%^:~^,,,,, TR41NS  4R3  SO  CONSTRUCT3D  TH4T  TH3Y ,,,,,^~:^%
^:~^,,,,,, H4V3  TO FOLLOW 4 S3T P4TH. TH1S P4TH 1S ,,,,,,^~:^
:~^,,,,,,, C4LL3D  4 "R41LWAY",  WH1CH 1S COMPR1S3D ,,,,,,,^~:
~^,,,,,,,, OF TWO M3T4L R41LS, H3NCE  1TS N1CKN4M3. ,,,,,,,,^~
^,,,,,,,,,                                          ,,,,,,,,,^
,,,,,,,,,, B3C4USE TH3  LOW  FR1CTION  B3TWEEN  TH3 ,,,,,,,,,,
,,,,,,,,,, WH3ELS OF TH3 TR41N 4ND TH3 R41L  M3T4L, ,,,,,,,,,,
,,,,,,,,,, TH3RE 4R3 L1MITS  FOR HOW  4CUT3 4 CURV3 ,,,,,,,,,,
^,,,,,,,,, C4N B3,  4ND  3VEN MOR3 SO FOR  HOW MUCH ,,,,,,,,,^
~^,,,,,,,, TH3  GROUND  UND3R  TH3  R41LS   C4N  B3 ,,,,,,,,^~
:~^,,,,,,, SLOP3D. THUS 4 R41LWAY 1S OFT3N  NOT L3D ,,,,,,,^~:
^:~^,,,,,, ON TOP OF H1LLS,  R4TH3R THROUGH TH3M 1N ,,,,,,^~:^
%^:~^,,,,, TUNN3LS  (1F   TH3Y   4R3   L4RG3),   OR ,,,,,^~:^%
¤%^:~^,,,,            4RT1FICIAL CH4SMS.            ,,,,^~:^%¤
#¤%^:~^,,,                                          ,,,^~:^%¤#
@#¤%^:~^,, TH3RE W1LL B3  TR3ES  ON TH3 S1D3 OF TH3 ,,^~:^%¤#@
#@#¤%^:~^, R41LS,  BUT NOT TOO  CLOS3, OR TH3Y W1LL ,^~:^%¤#@#
@#¤%^:~^,, B3 CUT  DOWN  BY  TH3  R41LWAY J4N1TORS. ,,^~:^%¤#@
#¤%^:~^,,, TH3RE W1LL  B3  PL41NS,  4ND  BOD13S  OF ,,,^~:^%¤#
¤%^:~^,,,,                  W4T3R.                  ,,,,^~:^%¤
%^:~^,,,,,                                          ,,,,,^~:^%
^:~^,,,,,, TR41NS GO BY D4Y  4ND  BY  N1GHT.  4LONG ,,,,,,^~:^
:~^,,,,,,,      TH3 W4Y, TH3RE 1S 1NFORM4TION       ,,,,,,,^~:
~^,,,,,,,, SC4TT3RED, OFT3N PUT  ON TOP  OF  POL3S, ,,,,,,,,^~
^,,,,,,,,, TO  B3 1NT3RPRETED BY TH3 TR41N DR1V3RS. ,,,,,,,,,^
,,,,,,,,,, D1FF3RENT  P4RTS  OF  TH3  R41LWAY  H4V3 ,,,,,,,,,,
,,,,,,,,,,         D1FF3RENT SP3ED L1MITS.          ,,,,,,,,,,
,,,,,,,,,,                                          ,,,,,,,,,,
^,,,,,,,,, SOM3T1MES, TR41NS  H4V3 TO STOP 4ND W41T ,,,,,,,,,^
~^,,,,,,,, FOR  SOM3TH1NG TO H4PP3N, F4R 4WAY. TH1S ,,,,,,,,^~
:~^,,,,,,, 1S  S1GN4L3D  BY  R3D OR  GR3EN  L1GHTS. ,,,,,,,^~:
^:~^,,,,,,                                          ,,,,,,^~:^
%^:~^,,,,,                 ¤¤¤¤¤¤¤¤                 ,,,,,^~:^%
¤%^:~^,,,,                                          ,,,,^~:^%¤
#¤%^:~^,,, M4NY  P3OPLE FOLLOW TH3  R41LS BY  FOOT. ,,,^~:^%¤#
@#¤%^:~^,, OFT3N  TH1S  PROV3S  TO  B3  TH3 SHORT3R ,,^~:^%¤#@
#@#¤%^:~^, P4TH  B3TWEEN TWO  PO1NTS.  HOW3VER TH1S ,^~:^%¤#@#
@#¤%^:~^,, 1S  FROWN3D  UPON,  4ND  V3RY   1MPOLIT3 ,,^~:^%¤#@
#¤%^:~^,,,        TOW4RD TH3 TR41N DR1V3RS!         ,,,^~:^%¤#
¤%^:~^,,,,                                          ,,,,^~:^%¤
%^:~^,,,,,                                          ,,,,,^~:^%
^:~^,,,,,,                                          ,,,,,,^~:^
:~^,,,,,,,                                          ,,,,,,,^~:
~^,,,,,,,,                                          ,,,,,,,,^~
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